Police officers prepare to raid a sauna club in Roermond as part of a Satudarah money laundering investigation, 26 Nov 2016. Politie

On Saturday the police searched several locations in Limburg in a large investigation into the laundering of dirty money from motorcycle gang Satudarah. One of these locations was a sauna club in Roermond. So far no arrests were made, the police said on Sunday.

The police consider the sauna club a key figure in this investigation. According to the police, 500 euro notes from the criminal environment are mixed in with the sauna's cashflow. Several prominent members of Satudarah work at the sauna, the police said. Detectives are also investigating whether the women who work at the sauna were victoms of human trafficking and are being exploited as prostitutes.

The Roermond sauna's invovlement in money laundering was discovered in another investigation, in which the sauna's cash and administration were seized.

The police also raided a farm in Melick and four homes in Reuver, Brunssum, Roermond and in Maseik, Belgium. User quantities of drugs and weapons including tasers, pepper spray and a stiletto were found and seized. A cannabis plantation was found in one home.